Keyphrases
Paleoecology
100%
Southern Illinois
100%
Illinoian
100%
Pre-Illinoian
100%
Illinois
60%
Vertigo
60%
Gastropod
40%
Picea
40%
Terrestrial Gastropods
40%
Fossil Assemblages
40%
Valvata
40%
Ponds
20%
Spring-loaded
20%
Wood
20%
Boreal Forest
20%
Depositional Environment
20%
Lacustrine Sediments
20%
Ecological Change
20%
Geographic Variation
20%
Plant Macrofossils
20%
Water Level
20%
Picea Mariana
20%
Black Spruce
20%
Climatic Gradient
20%
Laurentide Ice Sheet
20%
Glacial Till
20%
Northern Forests
20%
Ecotone
20%
Glacial Sediments
20%
Floodplain
20%
Boreal Zone
20%
Paleoclimatic
20%
North-facing Slopes
20%
Species-typical
20%
Terrestrial Species
20%
Parkland
20%
Oxygen Isotope Stage
20%
Shallow Lakes
20%
Loess
20%
Aquatic Gastropods
20%
Loess Deposits
20%
Paleo-valley
20%
Discus
20%
Gastropod Assemblages
20%
Columella
20%
Ecological Shift
20%
Wood Fragments
20%
Carychium
20%
Pupilla
20%
Temporary Water Bodies
20%
Sediment Correlation
20%
Earth and Planetary Sciences
Illinois
100%
Paleoecology
100%
Paleoenvironment
100%
Fossil Assemblage
40%
Sedimentology
20%
Lacustrine Deposit
20%
Boreal Forest
20%
Oxygen 18
20%
Geographical Variation
20%
Depositional Environment
20%
Flood Plain
20%
Water Body
20%
Laurentide Ice Sheet
20%
Glacial Deposit
20%
Ecotone
20%